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From "Xiao Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14987) Improve KMSClientProvider log around delegation token checking
Date Thu, 02 Nov 2017 22:34:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16236717#comment-16236717
] 

Xiao Chen commented on HADOOP-14987:
------------------------------------

IIRC technically you can review my patch to make it legit. It's just we cannot self +1. 

> Improve KMSClientProvider log around delegation token checking
> --------------------------------------------------------------
>
>                 Key: HADOOP-14987
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14987
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 2.7.3
>            Reporter: Xiaoyu Yao
>            Assignee: Xiaoyu Yao
>            Priority: Major
>         Attachments: HADOOP-14987.001.patch, HADOOP-14987.002.patch, HADOOP-14987.003.patch,
HADOOP-14987.004.patch, HADOOP-14987.005.patch
>
>
> KMSClientProvider#containsKmsDt uses SecurityUtil.buildTokenService(addr) to build the
key to look for KMS-DT from the UGI's token map. The token lookup key here varies depending
 on the KMSClientProvider's configuration value for hadoop.security.token.service.use_ip.
In certain cases, the token obtained with non-matching hadoop.security.token.service.use_ip
setting will not be recognized by KMSClientProvider. This ticket is opened to improve logs
for troubleshooting KMS delegation token related issues like this.  



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